CVE-2026-47334 | THREATINT

Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock in notification handling code. The bug can be triggered by an unprivileged local user and can result in kernel panic or deadlock.

PUBLISHED Reserved 2026-05-19 | Published 2026-05-28 | Updated 2026-05-28 | Assigner canonical

MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-833 Deadlock

Product status

Default status

unaffected

6.8.0 (dpkg) before 6.8.0-124.124

affected

6.17.0 (dpkg) before 6.17.0-35.35

affected

7.0.0 (dpkg) before 7.0.0-22.22

affected

Credits

Tristan Madani (@TristanInSec), Talence Security finder

References

git.launchpad.net/...0e73aec23d13a9877fba096b1c2fd19f66e5313 patch

cve.org (CVE-2026-47334)

nvd.nist.gov (CVE-2026-47334)

Download JSON